ID this anemone

[BurgerFish]

Any idea what is it?

Thanks

 

[cloak]

They look like polyps of some sort. (Clavularia sp?)

 

[BurgerFish]

They look like polyps of some sort. (Clavularia sp?)

Yep, looks like it: https://www.marinelifephotography.com/marine/cnidaria/clavularia.htm

It's good or bad?

 

[cloak]

They're OK, but definitely keep your eye on it though. These things can spread pretty fast if conditions are right. GL.